when removing the everything in the playground input box, the page crashes

[joskezelensky]

Describe the bug
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page crashes on text delete
To Reproduce
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remove everything within the box
Expected behavior
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doesn't get deleted
Screenshots
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ffmpegwasm.netlify.app-1730722163433.log

Desktop (please complete the following information):

• OS: [e.g. iOS] ChromeOS
• Browser [e.g. chrome, safari]
• Version [e.g. 22] 107

Additional context
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